Vandal-resistant switch assembly
CA 1257635 A · Owner: Santiago, Elias · Inventors: Santiago, Elias
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrical switch assembly having a first switch contact member behind a housing panel which has an opening through which the shank of a bolt extends. The bolt shank carries a second switch contact member for engagement with the first switch contact member. An enlarged head on the bolt has a flat rear face for engaging the front of the housing panel around the opening. A rigid washer on the bolt shank is spaced slightly farther from the rear face of the bolt head than the thickness of the panel at the opening so that, normally the shank of the bolt tilts downward inside the housing. This establishes a first position of the second switch contact member, which is on the bolt shank with …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted July 18, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 18, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.